HP Can Never Save Snape

John vowed to save Snape from death. But even if he had the ability to change time, he couldn't stop this. After thousands of attempts to retain him - John finally gave up. He was determined to stay away from Snape and no longer disturb the professor's life. "Mr. John, what makes you think you can leave after revealing so much to me?" Snape said sarcastically. ——Can't be saved. What about saving himself? Intention: Intention to be added